Listen to this 'Talk of the Nation' topic

How rich is rich? Richer than ever, it seems... so rich that according to The Wall Street Journal's Robert Frank, they've essentially formed their own elite country, that he in turn chooses to cover like a reporter on the foreign beat. We can all conjure images of fleets of Bentleys, yachts moored in exotic harbors, and private jets, but it's more than that now. The residents of Richistan (I'd link, but my Google Map search came up empty... huh?) — the Richistanis — have their own language, their own healthcare, their own travel system, their own culture. What's the most insane largess you've ever witnessed? If you were a zillionaire, what would your indulgences be?